https://devzone.nordicsemi.com/f/nordic-q-a/36898/about-nrf52832-download-program-problemI use nRF52832,is 2.5v power supply,but you can&#39;t download the program,w hen I set the voltage above 2.8v, I can download the program,then I switched the voltage to 2.5v and found that the program normal worked.So I just want to ask you, since 2.5v worksen-USTelligent Community 13Mon, 30 Jul 2018 13:17:05 GMThttps://devzone.nordicsemi.com/thread/141933?ContentTypeID=1Mon, 30 Jul 2018 13:17:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dc2c4328-5424-4e83-b909-008c6b80fa6aH&#229;kon Alseth<p>The voltage used when programming will depend on what voltage your programmer can handle.</p> <p>More expensive programmers, like the J-Link Base, have level shifters to detect the target voltage. Simpler programmers, like the JLink CortexM lite and our nRF5-DKs, have a set voltage.</p> <p>What programmer are you using?</p> <p>&nbsp;</p> <p>Best regards,</p> <p>Håkon</p><div style="clear:both;"></div>